Can you pass this Science quiz?
Erin reads an average of 20 books per year. She read 23, 17, 20, and 19 books in four different years. How many books did Erin read in the 5th year to make it an average of exactly 20.0 per year?
17
20
21
19
Hot Quizzes Trending Now
1960s
4.53 M Players
Who in 1965 released the famous single "The Sound of Silence"?